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Results
#1. A teacher designs and implements a new behavior plan targeting a student’s disruptive classroom behavior. After one week, the teacher observes a significant reduction in the student’s disruptive behavior and concludes that her behavior plan was highly effective. Unbeknownst to the teacher, the student recently started receiving daily reinforcement at home for having ‘good days’ at school, which began at the same time as the new behavior plan. What type of error did the teacher commit by believing her plan was effective?
The teacher committed a Type I error also known as a false positive A Type I error occurs when a researcher or practitioner concludes that an intervention or treatment was effective and caused a change in behavior when in actuality the change was due to an extraneous variable or other factors In this case the teacher believed her behavior plan was the cause of the behavior reduction but the actual cause was the reinforcement the student was receiving at home A Type II error false negative is the opposite concluding that an intervention was ineffective when it actually was effective Behavior contrast occurs when a change in the rate of reinforcement in one setting leads to an inverse change in the rate of behavior in another setting eg behavior decreases where reinforcement is available and increases where its not In this scenario behavior is being reduced in both school due to the home reinforcement and potentially at home so behavior contrast is not occurring as a primary effect Mental construct is a psychological term referring to theoretical concepts that are not directly observable and does not apply to the statistical error in question
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